CN105091403B - Generating set comprehensive water-saving energy conserving system - Google Patents
Generating set comprehensive water-saving energy conserving system Download PDFInfo
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- CN105091403B CN105091403B CN201510580847.6A CN201510580847A CN105091403B CN 105091403 B CN105091403 B CN 105091403B CN 201510580847 A CN201510580847 A CN 201510580847A CN 105091403 B CN105091403 B CN 105091403B
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- heat exchanger
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- heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Abstract
The present invention is a kind of generating set comprehensive water-saving energy conserving system, the inlet end of First Heat Exchanger is connected with exhaust steam access tube, refrigerant outlet is connected with compressor, and compressor connects the refrigerant inlet of the second heat exchanger, and the refrigerant outlet of the second heat exchanger connects the refrigerant inlet of First Heat Exchanger；Also include condensation housing, the 3rd heat exchanger in condensation housing；The tube side of the 3rd heat exchanger or plate journey connect the outlet side of First Heat Exchanger；Also include that outlet side connects the 4th heat exchanger of pressure regulating equipment.3rd heat exchanger exit connects reserving liquid tank and the 4th heat exchanger respectively；Or, the port of export connection reservoir of the 3rd heat exchanger, the gaseous phase outlet of reservoir connect the 4th heat exchanger.Reserving liquid tank or reservoir connect the second heat exchanger, and the water side of the second heat exchanger is connected with high temperature feed pipe.The phase-change thermal energy of the exhaust steam of generating set discharge is extracted, for heating to system condensing water, so as to reach the purpose of comprehensive water-saving energy-conservation.
Description
Technical field
The present invention relates to a kind of generating set comprehensive water-saving energy conserving system.
Technical background
Typically at 40-50 DEG C or so, this part exhaust steam becomes after vacuum condensation the exhaust steam temperature that generating set is discharged
Water, Jing water pumps pump into boiler or Jing other heating systems heat supercharging and become high temperature and high pressure steam, come back to generating set
Acting.Its major defect is：Firstth, by 40-50 DEG C or so to liquid phase process of heat, the particularly heat of transformation does not have for the exhaust steam discharged
It is utilized, causes energy waste；Secondth, the exhaust steam containing high heat energy is condensed using water, causes water consumption huge, disappear
Consumption great lot of water resources.
In addition, containing a large amount of incoagulable gas, in existing vacuum condensing system, steam in the exhaust steam of generating set discharge
Condense in shell side, and gas phase is extracted out from condenser using pressure regulating equipment.Its major defect is：Firstth, incoagulability gas
Body comparison of ingredients is complicated, and difference of specific gravity is larger, can only take part incoagulable gas away from condenser space, and remainder is still stagnant
Stay within the condenser, have impact on heat exchange efficiency；Secondth, the vacuum reached by setting, pressure regulating equipment load are too high, cause the energy
Waste.
The content of the invention
The present invention is intended to provide a kind of generating set comprehensive water-saving energy conserving system, technical problem to be solved is, first,
The phase-change thermal energy of the exhaust steam that generating set is discharged is extracted, for heating to system condensing water, so as to reach comprehensive water-saving section
The purpose of energy；Secondth, avoid incoagulable gas when vacuum condensation being carried out to the steam containing incoagulable gas in heat exchanger
It is detained, while improving flow velocity of the steam in heat exchanger, reduces pressure regulating equipment load, reaches raising heat exchange efficiency and reduce energy
Consumption, keeps the purpose of condition of high vacuum degree.
In order to solve above-mentioned technical problem, following technical scheme is present invention employs.
A kind of generating set comprehensive water-saving energy conserving system, it is characterised in that：It includes First Heat Exchanger and the second heat exchanger,
The inlet end of First Heat Exchanger is connected with exhaust steam access tube, and the refrigerant outlet of First Heat Exchanger is connected with compressor, compressor
Exhaust end connect the refrigerant inlet of the second heat exchanger, the refrigerant outlet of the second heat exchanger connects first by choke valve and changes
The refrigerant inlet of hot device；Also include condensation housing and the 3rd heat exchange in condensation housing with air inlet and blower fan
Device；The tube side of the 3rd heat exchanger or plate journey connect the outlet side of First Heat Exchanger；Also include the 4th heat exchanger, the 4th heat exchanger
Outlet side be connected with pressure regulating equipment；
The port of export of the 3rd heat exchanger is connected with reserving liquid tank, and the port of export of the 3rd heat exchanger is also connected with entering for the 4th heat exchanger
Gas end；The liquid outlet connection reserving liquid tank of the 4th heat exchanger；Reserving liquid tank is also connected with pressure regulating equipment；
Or, the port of export of the 3rd heat exchanger is connected with reservoir, and the gaseous phase outlet of reservoir connects the 4th heat exchanger
Inlet end；The liquid outlet connection reservoir of the 4th heat exchanger；
The reserving liquid tank or reservoir are connected with water pump by its outlet pipe, and water pump connects the water inlet of the second heat exchanger
End, the water side of the second heat exchanger is connected with high temperature feed pipe.
The drain side connection reserving liquid tank of First Heat Exchanger or reservoir.
It is provided with the condensation housing for the evaporation spray equipment of heat exchange is carried out with heat exchanger in housing.
4th heat exchanger is arranged in auxiliary shell, and auxiliary shell carries accessory fan and auxiliary air inlet mouth.
It is provided with auxiliary shell for the assisted evaporative spray equipment of heat exchange is carried out with the 4th heat exchanger.
The hot water provided by high temperature feed pipe returns the boiler of generating set and recycles, and constitutes the envelope of exhaust steam and high-temperature water
Closed loop system.
The invention has the characteristics that：
Firstth, first, second heat exchanger of the invention and compressor bank into heat-exchange system take full advantage of generating set row
Go out the phase-change thermal energy of exhaust steam.Exhaust steam Jing the system that generating set is discharged is processed, and contained heat energy is greatly lowered, and steam condensation is negative
Lotus is greatly lowered, and plays significantly water saving and effect of economizing on electricity.Low-grade heat source is converted into high-quality thermal source by present system,
For the water produced after heating condensation, prominent energy-saving effect is played.
Secondth, in technical scheme, the steam containing incoagulable gas is condensed in heat exchanger tube pass or plate journey,
Gas-liquid two-phase after heat exchange is flowed out simultaneously in the outlet of the tube side or plate journey of the heat exchange unit of main heat exchanger, is acted in pressure regulating equipment
There is down higher flow velocity, prevented incoagulable gas and stopped in main heat exchanger.Therefore, there is heat exchanger higher heat exchange to imitate
Rate.
3rd, it is by gas-liquid separation, less into the gas flow in the 4th heat exchanger, and enter in the 4th heat exchanger again
Row gas-liquid separation, needs the further decrement of incoagulable gas discharged, therefore the load of pressure regulating equipment to be greatly lowered, so as to reach
To prominent energy-saving effect.
Description of the drawings
Fig. 1 is the structure and operation principle schematic diagram of the embodiment of the present invention one.
Fig. 2 is the structure and operation principle schematic diagram of the embodiment of the present invention two.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Embodiment one
As shown in figure 1, the present embodiment includes First Heat Exchanger 1 and the second heat exchanger 7, the inlet end of First Heat Exchanger 1 connects
Exhaust steam access tube 2 is connected to, the refrigerant outlet of First Heat Exchanger 1 is connected with compressor 24, compressor by cold-producing medium trachea 23
24 exhaust end connects the refrigerant inlet of the second heat exchanger 7, and the refrigerant outlet of the second heat exchanger 7 passes through cold-producing medium A liquid pipes 5
Choke valve 4 is connected with, choke valve 4 connects the refrigerant inlet of First Heat Exchanger 1 by cold-producing medium B liquid pipes 3.
The drain side of First Heat Exchanger 1 is connected with reserving liquid tank 10 by discharging tube 25, and the lifting rate of First Heat Exchanger 1 is less
When can not also set discharging tube 25, the gas-liquid mixed phase Jing outlet side that First Heat Exchanger 1 is discharged enters the 3rd heat exchanger 14 in the lump.
Reserving liquid tank 10 is connected with water pump 8 by its outlet pipe 9, and water pump 8 connects the water inlet end of the second heat exchanger 7 by flow pipe 26, the
The water side of two heat exchangers 7 is connected with high temperature feed pipe 6.The hot water provided by high temperature feed pipe 6 can return generating set
Boiler is recycled, and constitutes the closed cycle system of exhaust steam and high-temperature water.The hot water provided by high temperature feed pipe 6 can also go out
Unite for providing thermal source.
Embodiments of the invention also include the condensation housing 13 with air inlet 22 and blower fan 17, installed in condensation housing 13
The 3rd interior heat exchanger 14.The present embodiment also includes the 4th heat exchanger 16 in condensation housing 13, the 4th heat exchange
Device 16 can be arranged on above the 3rd heat exchanger 14, can also be arranged on side or lower section or the setting of the 3rd heat exchanger 14
Outside condensation housing 13.
The tube side or plate journey of the 3rd heat exchanger 14 connects the outlet side of First Heat Exchanger 1 by steam pipework 21.3rd
The port of export of heat exchanger 14 connects the reserving liquid tank 10 by liquid phase pipeline 12, and the port of export of the 3rd heat exchanger 14 also passes through gas phase
Pipeline 15 connects the inlet end of the 4th heat exchanger 16.The outlet side of the 4th heat exchanger 16 is connected with by trachea 19 is used as decompression and sets
The first standby vacuum pump 18.Reserving liquid tank 10 is also connected with pressure regulating equipment, and the pressure regulating equipment connected by reserving liquid tank 10 can be first
Vacuum pump 18, or the second vacuum pump 11 as shown in Figure 1.
The liquid outlet of the 4th heat exchanger 16 connects the reserving liquid tank 10 by liquid back pipe 20, can also connect other auxiliary
Reserving liquid tank.Auxiliary reserving liquid tank is connected with pressure regulating equipment, and the pressure regulating equipment connected by which can be the decompression being connected with reserving liquid tank 10
Equipment, it may also be said to be independent pressure regulating equipment.
In above fundamental system, condense housing 13 in shell side heat transferring medium be with blower fan 17 do power flowing cold wind or
Flowing normal temperature air.
On the basis of above fundamental system, spray equipment is installed in condensation housing 13 and is capable of achieving evaporative condenser, condense shell
In body 13, shell side heat transferring medium is shower water.
When being arranged on outside condensation housing 13, the 4th heat exchanger 16 has an independent evaporation spray system, or using steaming
Heat exchange form outside sending out, such as air-cooled heat exchange or tubular type, plate-type heat-exchange.
The exhaust steam Jing exhaust steam access tube 2 first that generating set is discharged enters First Heat Exchanger 1, and the heat of transformation of exhaust steam will be freezed
While agent is heated into gas phase, itself heat energy is greatly lowered, and the exhaust steam Jing steam after heat is absorbed by First Heat Exchanger 1
Pipeline 21 enters the tube side or plate journey of the 3rd heat exchanger 14, under pressure regulating equipment effect flows fast through the 3rd heat exchanger 14, Jing
After condensation, liquid phase Jing liquid phase pipeline 12 flows into reserving liquid tank 10, and condensed rear major part condensable gas are condensed into liquid, therein
Incoagulable gas and small part not and condensation condensable gas in the case where pressure regulating equipment that the 4th heat exchanger 16 connect is acted on Jing
Gas phase pipeline 15 is further condensed into the 4th heat exchanger 16, and condensable gas are condensed into liquid Jing liquid back pipes 20 and flow into storage
In liquid case 10, incoagulable gas Jing pressure regulating equipments extract system out.
Cold-producing medium is receiving thermal evaporation in First Heat Exchanger 1, and gas enters compressor 24, Jing pressures by cold-producing medium trachea 23
The second heat exchanger 7 is entered after 24 boil down to high temperature and high pressure gas of contracting machine, liquid is converted into after heat release in the second heat exchanger 7 and is passed through
Cold-producing medium A liquid pipes 5, choke valve 4 and cold-producing medium B liquid pipes 3 return to First Heat Exchanger 1, constitute closed cycle.From 10 pump of reserving liquid tank
The water at low temperature for entering becomes high-temperature water after absorbing heat in the second heat exchanger 7, and Jing high temperature feed pipe 6 is discharged.
Embodiment two
As shown in Fig. 2 the present embodiment includes First Heat Exchanger 1 and the second heat exchanger 7, the inlet end of First Heat Exchanger 1 connects
Exhaust steam access tube 2 is connected to, the refrigerant outlet of First Heat Exchanger 1 is connected with compressor 24, compressor by cold-producing medium trachea 23
24 exhaust end connects the refrigerant inlet of the second heat exchanger 7, and the refrigerant outlet of the second heat exchanger 7 passes through cold-producing medium A liquid pipes 5
Choke valve 4 is connected with, choke valve 4 connects the refrigerant inlet of First Heat Exchanger 1 by cold-producing medium B liquid pipes 3.First Heat Exchanger 1
Drain side reservoir 28 is connected with by discharging tube 25, discharging tube can not also be set when the lifting rate of First Heat Exchanger 1 is less
25, the gas-liquid mixed phase Jing outlet side that First Heat Exchanger 1 is discharged enters the 3rd heat exchanger 14 in the lump.Reservoir 28 passes through its water outlet
Pipe 9 is connected with water pump 8, and water pump 8 connects the water inlet end of the second heat exchanger 7 by flow pipe 26, and the water side of the second heat exchanger 7 connects
It is connected to high temperature feed pipe 6.The hot water provided by high temperature feed pipe 6 can return the boiler of generating set and recycle, and constitute weary
The closed cycle system of vapour and high-temperature water.The hot water provided by high temperature feed pipe 6 can also go out system for providing thermal source.
The present embodiment also includes the condensation housing 13 with air inlet 22 and blower fan 17, the in condensation housing 13
Three heat exchangers 14.The present embodiment also includes the 4th heat exchanger 16 in auxiliary shell 30.4th heat exchanger 16 has only
Vertical evaporation spray system, or using the heat exchange form outside evaporation, such as air-cooled heat exchange or tubular type, plate-type heat-exchange.
The outlet side of the 4th heat exchanger 16 is connected with pressure regulating equipment.Auxiliary shell 30 carries accessory fan 31 and auxiliary air inlet
Mouth 32.
The tube side or plate journey of the 3rd heat exchanger 14 connects the outlet side of First Heat Exchanger 1 by steam pipework 21.3rd
The port of export of heat exchanger 14 connects reservoir 28 by transition pipe 27, and the gaseous phase outlet of reservoir 28 connects the 4th heat exchanger 16
Inlet end, the liquid outlet of the 4th heat exchanger 16 connects the reservoir 28 by aiding in liquid back pipe 29.Reservoir 28 is connected with
Pressure regulating equipment.The liquid outlet of the 4th heat exchanger 16 can also connect other auxiliary reservoir.Need to arrange other auxiliary storage
During liquid device, the auxiliary reservoir is connected with pressure regulating equipment.
The pressure regulating equipment of auxiliary reservoir connection can be the pressure regulating equipment being connected with reservoir 17, it may also be said to be independent
Pressure regulating equipment.
In above fundamental system, condense housing 13 in shell side heat transferring medium be with blower fan 17 do power flowing cold wind or
Flowing normal temperature air.
On the basis of above fundamental system, spray equipment is installed in condensation housing 13 and is capable of achieving evaporative condenser, condense shell
In body 13, shell side heat transferring medium is shower water.
The exhaust steam Jing exhaust steam access tube 2 first that generating set is discharged enters First Heat Exchanger 1, and the heat of transformation of exhaust steam will be freezed
While agent is heated into gas phase, itself heat energy is greatly lowered, and the exhaust steam Jing steam after heat is absorbed by First Heat Exchanger 1
Pipeline 21 enters the tube side or plate journey of the 3rd heat exchanger 14, under pressure regulating equipment effect flows fast through the 3rd heat exchanger 14, Jing
After condensation, gas-liquid mixed mutually flows into reservoir 28 through crossing pipeline 27, and the gas in reservoir 28 connects in the 4th heat exchanger 16
Pressure regulating equipment effect is lower further to be condensed into the 4th heat exchanger 16, and condensable gas are condensed into liquid Jing auxiliary liquid back pipes
29 flow back in reservoir 28, and the pressure regulating equipment of the connection of the 4th heat exchangers of incoagulable gas Jing 16 extracts system out.
Cold-producing medium is receiving thermal evaporation in First Heat Exchanger 1, and gas enters compressor 24, Jing pressures by cold-producing medium trachea 23
After 24 boil down to gases at high pressure of contracting machine enter the second heat exchanger 7, after heat release in the second heat exchanger 7 by cold-producing medium A liquid pipes 5,
Choke valve 4 and cold-producing medium B liquid pipes 3 return to First Heat Exchanger 1, constitute closed cycle.The water at low temperature pumped into from reservoir 28 exists
Become high-temperature water after absorbing heat in two heat exchangers 7, Jing high temperature feed pipe 6 is discharged.
The heat exchanger can be one group of heat exchanger, it may also be said to be more than two group for being mutually in series or being mutually in parallel
Heat exchanger.
In above-described embodiment, in order to further improve the separating effect of gas-liquid two-phase, it is also possible in the 3rd heat exchanger 14
The port of export sets up gas-liquid separator.
Described plate journey belongs to the working medium passage of plate type heat exchanger, and the plate type heat exchanger is that a class is passed through by two plates
Welding manner is combined with each other, middle to have working medium passage.
Claims (6)
1. a kind of generating set comprehensive water-saving energy conserving system, it is characterised in that：It includes First Heat Exchanger and the second heat exchanger, the
The inlet end of one heat exchanger is connected with exhaust steam access tube, and the refrigerant outlet of First Heat Exchanger is connected with compressor, compressor
Exhaust end connects the refrigerant inlet of the second heat exchanger, and the refrigerant outlet of the second heat exchanger is exchanged heat by choke valve connection first
The refrigerant inlet of device；Also include condensation housing and the 3rd heat exchange in condensation housing with air inlet and blower fan
Device；The tube side of the 3rd heat exchanger or plate journey connect the outlet side of First Heat Exchanger；Also include the 4th heat exchanger, the 4th heat exchanger
Outlet side be connected with pressure regulating equipment；
The port of export of the 3rd heat exchanger is connected with reserving liquid tank, and the port of export of the 3rd heat exchanger is also connected with the air inlet of the 4th heat exchanger
End；The liquid outlet connection reserving liquid tank of the 4th heat exchanger；Reserving liquid tank is also connected with pressure regulating equipment；
Or, the port of export of the 3rd heat exchanger is connected with reservoir, and the gaseous phase outlet of reservoir connects the air inlet of the 4th heat exchanger
End；The liquid outlet connection reservoir of the 4th heat exchanger；
The reserving liquid tank or reservoir are connected with water pump by its outlet pipe, and water pump connects the water inlet end of the second heat exchanger, the
The water side of two heat exchangers is connected with high temperature feed pipe.
2. generating set comprehensive water-saving energy conserving system as claimed in claim 1, it is characterised in that：The drain side of First Heat Exchanger
Connection reserving liquid tank or reservoir.
3. generating set comprehensive water-saving energy conserving system as claimed in claim 1, it is characterised in that：Install in the condensation housing
Have for the evaporation spray equipment of heat exchange is carried out with heat exchanger in housing.
4. generating set comprehensive water-saving energy conserving system as claimed in claim 1, it is characterised in that：4th heat exchanger is arranged on auxiliary
Help in housing, auxiliary shell carries accessory fan and auxiliary air inlet mouth.
5. generating set comprehensive water-saving energy conserving system as claimed in claim 4, it is characterised in that：Use is installed in auxiliary shell
In the assisted evaporative spray equipment that heat exchange is carried out with the 4th heat exchanger.
6. the generating set comprehensive water-saving energy conserving system as described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that：High temperature is supplied
The hot water provided by water pipe returns the boiler of generating set and recycles, and constitutes the closed cycle system of exhaust steam and high-temperature water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510580847.6A CN105091403B (en) | 2015-09-14 | 2015-09-14 | Generating set comprehensive water-saving energy conserving system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510580847.6A CN105091403B (en) | 2015-09-14 | 2015-09-14 | Generating set comprehensive water-saving energy conserving system |
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| CN105091403A CN105091403A (en) | 2015-11-25 |
| CN105091403B true CN105091403B (en) | 2017-04-05 |
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| CN201510580847.6A Active CN105091403B (en) | 2015-09-14 | 2015-09-14 | Generating set comprehensive water-saving energy conserving system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110030767B (en) * | 2019-05-21 | 2024-02-02 | 李永堂 | Cold and hot double-effect split-flow type energy recovery system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2530994A1 (en) * | 1975-07-11 | 1977-01-27 | Licentia Gmbh | Arrangement for utilising heat from domestic refrigerator - has refrigerator condenser fitted within the hot water storage system |
| CN2514258Y (en) * | 2001-08-20 | 2002-10-02 | 王智勇 | Air-conditioner capable of recovering waste energy |
| JP2005331206A (en) * | 2004-05-21 | 2005-12-02 | Jfe Engineering Kk | Cold heat generation system and cold heat generation method |
| CN103047792A (en) * | 2011-10-16 | 2013-04-17 | 大连三洋冷链有限公司 | Water-cooling machine set type system for utilizing supermarket display cabinet waste heat |
| CN203443163U (en) * | 2013-07-16 | 2014-02-19 | 江苏天舒电器有限公司 | Instant heating type waste heat recovery heating unit |
| CN203443164U (en) * | 2013-07-16 | 2014-02-19 | 江苏天舒电器有限公司 | Waste heat comprehensive utilization system |
| CN205655523U (en) * | 2016-05-13 | 2016-10-19 | 包头鹏翔锅炉暖通设备有限责任公司 | Thermal wastewater heat recovery unit |
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